Improvement in instruments for clipping or shearing horses



lllutrd tstra para cette HENRY KNIGHT, OF RYDE, ISLE OF WIGHT, ENGLAND.

Letters Patent No. 108,489, dated October 18, 1870. @MM @f IMPROVEMENT IN lNSTRUMENTS FOR CLlPPING OR SHEARING HORS'ES, &c.

The Schedule referred to in these Letters Patent and making part of` the same.

To all to whom these presents shall come:

I, HENRY KNIGHT, of Ryde, Isle of Wight, in the county of Southampton, importer cfvltalian sculptures, send greeting, and hereby declare that I have made a new and useful invention of Improvements in Instruments or Apparatus for Clipping Horses and other animals, for which I have obtained of the British government Letters Patent dated July 2]., 1869, No. 2,217 n ow, know ye, that I, the said HENRY KNIGHT, do hereby declare the nature of the, said invention, and in what manner the same is to be performed to be particularly described and ascertained in and by the following statement thereof; that is to Say- My invent-ion consistsv of the improvements hereinafter described in constructing and arranging the parts of instruments or apparatus for clipping horses and other animals.

The said instruments, as ordinarily constructed, consist essentially of a dat` plate of metal, one edge of which is provided with teeth arranged like the teeth i' a comb.

This plate, when the instrument is used, rests upon the skin of the horse, the hairs to be clipped or cut off standing up between the teeth.

Upon the said toothed plate a cutting-plate or series of cutters work, the said cutt-ingfplate or cutters being furnished with ,teeth similar to those of the toothed plate, and cutting oi the hairs against the edges of the teeth of the said toothed plate.

A reciprocating motion is given to the cuttingplate in the ways hereinafter described, and its teeth are thereby made alternately to cover and slide across the teeth of the toothed plate, by which motion the hairs are cnt by an action similar to that of shears.

According to my improvements, I give the required reciprocating motion to the cutting-plate by the following arrangement of parts:

To the frame or case of the instrument two levers are jointed, the said levers being terminated by handles, by which the instrument is held and worked. By opening and closing the said levers, after the manner of opening and closing the handles of a pair-of shears, the required reciprocating motion is given to the cutting-plate.'

The said levers are connected to the case and cuiting-p1ate in the following manner:

Une of the levers, which I will call the right-hand lever, is jointed to the case near its end, and at about an inch distant from the said joint, and between it and the handle is a ixed pin en the said lever, which pin engages in a hole inthe cutting-plate.

The other or left-*hand lever is jointed to the case, and has a fixed pin, which engages in another hole in the cutting-plate, but the relative positions of the said pin and joint in the left-hand lever are thereverse of those in the rightfhand lever; that is, in the left-hand lever, the pin is near the end of the lever and the joint, about an inch distant therefrom, and between' the said pin and the handle.

By opening and closing 'these levers by-their'han'- dles, the pins engaging with the cuttingLplate move in the same directions, and the said plate is conseqnently carried across the toothed plate in one direction when the handles of the instrument are opened, and in the opposite directionwhen the handles of the instrument are closed.

By this arrangement extreme steadiness and facility in use ofthe instrument are secured, as the press4 ure being exerted by bothhands is the same in amount and opposite in direction, and consequentlyy while great power of moving thecutting-plate is secured, there is no tendency to motion in the instrument as a whole.

Where the instrument is held in the hand by one handle, I make the said handle capable of adjustment by a screw or otherwise, so as to be able to incline it at any required angle to the case of the instrnnent.

Although I have onry described my improvements in their application to clipping instruments, iuwhich the cutting is effected by cutters consisting of two serrated plates, yet my said improvement-s may be applied to'clipping instruments having other kinds of cutters.

Having explained the nature of my invention, I will proceed to describe with reference to the accompanying drawing the manner in which the same is to be performed.

Figures l and 2 representplaus of an instrument or apparatus for clipping horses and other animals, constructed and arranged according to my invention;

. Figure 3 is a side elevation of the same; and

Figure 4 is a section of the same, taken through the line a a, tig. 2.

Figures 5, 6, 7, and 8 are parts of the same, as hereinafter explained.

The same letters of reference indicate the saine parts in figs. 1,2, 3, 4, 5, ti, 7, and 8.

bA is the dat serrated plate ofthe instrument, which rests upon the skin ofthe animal during the clipping operation.

c is the toothed cutting or movable plate; and

d is the frame or case of the instrument, between which case andthe back plate I1, the cutting-plate c works.

The cutting-plate c is shown separately in elevation in fig. 8, and the frame or case (l is shown separately in vertical section in fig. 7. v

The case d is fixed to the back serrated plate b by means of the screw-pins e f g, which pass through the holes or slots h t k (see tig. S) inthe cutting plate c.

The sliding motion of the said plate c is limited by the shoulders ciof the said plate abutting against the case d..

To the'flame or case d two levers, l my, are jointed in the manner hereinafter explained.

These levers are terminated by the handles l2 m2,- by which the instrument is held and workedA The actingcnd of the leverl is shown separately in g. 5, and theaeting end of thelever m. Ais show-n.

rlhe said levers l m are connected tothe case d andmovable cutting-plate c in the following manner: Theleverl is jointed'to thecase'd bythe pind on the said case taking into the. hole l, near the handle part of the said lever l; and the said leverl is connected to the cutting-plate c by the pin l3 on the said lever taking into ythe holen (see iig. S) in the said plate c. c

-The lever m is jointedn to the case d by the pin d, near the top edge of the case,- taking into the hole m4 in thetop of the -levcr in.; and the said lever 'nl' is connected to the cutting-plate c by the pin m3 taking into the hole p, (see ii". 8,) near Ythe bottom edge ot' the said cutting-plate c.

The manner in which the pin on the case engages with the level', and the pin on the lever engages with the cutting-plate, will be readily seen by referring to thefseetion, iig. 4.

By an examination of the drawing, it will be seen that the rolativepositions of the joint-piu di, uponA which the lever l turns, and t-he piu l,"by which the saidlever is connected with the cuttingfplate, are the reverse of those oi' the other lever ym., that is to say, thejoint-pin d* of the lever l' is between the pill l3 and the handle l2, while the joint-pind of' the lever -my is at the end ot' the said lever m.

Tile result of this arrangement is.'that when the levers l in are movedtoward each other the connectingpins l? m of the said levers are both made to move in the same direction, that is, in the direction indicated bythe arrow in fig. 2, and carry with them the cutting-plate c; and when the said levers lfm are opened from each other the said connecting-pins 13m .of the levers are both made -to move in the same direction, but in a direction contrary to that indicated by the arrow in fig. 2, and carry with them the cutting platee.

By thus opening and closing the said levers l in by their handles km2, after the nlanner of working a pair of shears, a reciprocating moti'on'is communicated to the cutting-plate c, and the said cutting-plate is carried across the fixed toothed plate l), and theclippingeffected between the teeth of the said' movable cutting-plate and fixed cutting-plate.

In tig. 2 the cutting-plate cis represented at the end of its stroke, and in l at the middle of ,its strokeu -Figure 9 represents a modification of the last describedarrangement of my invention.

In this modiication the levers lm, by which the cutting-plate is worked, are jointed to'the back, or xedserrated plate l), by the same center p, and the leverl isconnected, by a pin at r, to the cutting-plate c, below the joint 12, and the end of the lever m is connected, by a pin at q, to the cutting-plate 0,'ab0ve the said joint-p1 rIhe action of this arrangement is the ksame as that of the arrangement described, that ,is to say, on opening and closing the levers l m hythcir handles Z2 fmt the connecting-pins q fr move in the same direction as the levers are turned upon their joint 11, and give the required reciprocating 'motion to the cutting-plate c.

Lhe center or jointV 11 is riveted to the back serrated plate b, and, if required, thenpper part ofthe instrument may be covered by a case, but the said case is not'necessary.

The cutting-plate c is provided with the required slots to permit it to slide upon the pins which connect` it to the-haek-plate b'. c

Figure 10 represents the same arrangement of jointing as in fig. 9, except-ing that the end of each of the levers lm has a circular-plate 'xed toit, ormade in one piece therewith, to which plates the connectingpins q 1' are attached, the said circular plates being similar to those of an ordinary vrule-joint.

The circular plate of the lever Z has a slot, Z3, in it, to permit of the motion of' the pin got' the other lever m.

The joint and connecting-pins in this arrangement are -marked with the same letters as corresponding parts in iig. 9. i

Figure 1l represents in front elevation, and Figure 12in section, a clipping'instrument, 4constructed according to' my invention, provided with a single cutting-plate, turning on a center, instead ct' the rectilinear reciprocating compound cutting-plate previouslyl described.

The same let-ters indicate the same parts in figs. Il and 12. Y

a, is the serrated fixed plate, and

b is the single 'cutting-plate, turning on the fixed pin or center @secured to the hack serrated plate a.

The pin or center c is tixed to the plate c, and the cutting-plateb adjusted against the said plate n by means ot' the thumb-screw or nut d, screwing on the end of the pin, as represented.

The tail end of the cutting-plate l) is furnished with an antifrietion lroller, e, which bears upon the plate a,

and reduces the friction between the twovplates on f the working of the instrument.

. The teeth of the serrated plate a are made parallel to one another, instead of being struck from the center on which the cutting-plate b turns, .as is usual in clipping instruments with single cutters.

A 'reciprocating motion through about a' quarter of a circle -is given to the said cutting-plate b by means ot" the levers f g, the ends of which levers are jointed to the serrated plate a.

'lhe leverf is jointed at f2, near-the top of' one side ot' the plate a, 'and the lever g is jointed at g2, near the bottom o t the other side ot' the plate a.

These, levers are connected to thecutting-plate b 'bymean's of the links 7l i, jointed to the cutting-plate at 7:.

When the levers f gare opened and closed by grasping their handles f3 y, the joint-ed vends of the said levers are made to move in the same direction, and through the links 71l 'i communicate a reciprocating motion through'abont a qua-rter of a circle to the cutting-plate b.

The levers work underthe cross-bar l, fixed by the thumb-screw or nut whereby the motion of the said levers is made steady'.

Having now described the nature of my invention, andthe manner in which the same is to be'performed, I wish it to be understood .that I do not limit myself to the precise details-herein described and illustrated, as the same may be Varied without departing from the nature of' my invention; but

I claim as my invention ot' improvements in instruments'or apparatus for clipping horses and other animals- 1. The arrangements or combinations of parts herecutter is moved in one direction on the xed cutting' plate, and by closing the said handles a reciprocating v motion of the said movable cutting-plate o1' cutter is produced in the opposite direction, the act of clipping being thus performed by working the handles of the instrument in a manner similar to that by which a pair of ordinary shears are worked, substantially as described and illustrated.

2. The cutting- Hates, having theshape shown iu figs. 8, 10, l1, an" 12, and provided with the slots h i and the blocks 021) and e211, as and for the purpose specified.

, The above specification of my said invention signed and witnessed at Ryde,in the Isle of Wgl1t,'in England, this 23d day of September, A. D. 1869.

Witnessesz' HENRY KNIGHT.

THOMAS WHITE,

Solicitor, of N o. 13 Cross street, 'inthe bor oug'h of Ryde, in the Isle of Wright. JOHN MORRANT, p

Grocer, of N 0. 53 Union street, in the same borough. 

